CN110444623B - Solar cover plate glass with anti-dazzle pattern structure - Google Patents
Solar cover plate glass with anti-dazzle pattern structure Download PDFInfo
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- CN110444623B CN110444623B CN201910670608.8A CN201910670608A CN110444623B CN 110444623 B CN110444623 B CN 110444623B CN 201910670608 A CN201910670608 A CN 201910670608A CN 110444623 B CN110444623 B CN 110444623B
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- pattern structure
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- concave
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- 239000005357 flat glass Substances 0.000 title abstract description 14
- 239000011521 glass Substances 0.000 claims abstract description 31
- 239000000758 substrate Substances 0.000 claims abstract description 21
- 239000011159 matrix material Substances 0.000 claims abstract description 8
- 239000006059 cover glass Substances 0.000 claims description 11
- 230000000694 effects Effects 0.000 abstract description 10
- 210000000887 face Anatomy 0.000 description 6
- 238000004049 embossing Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/048—Encapsulation of modules
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/054—Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/52—PV systems with concentrators
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Surface Treatment Of Glass (AREA)
- Optical Elements Other Than Lenses (AREA)
- Photovoltaic Devices (AREA)
Abstract
The utility model relates to the technical field of solar cell module cover plate glass, in particular to solar cover plate glass with an anti-dazzle pattern structure, which comprises a glass substrate, wherein the upper surface of the glass substrate is provided with the anti-dazzle pattern structure, the anti-dazzle pattern structure consists of a plurality of protruding semi-cylinders or semi-cylinders-like which are regularly arranged at a certain interval and are intersected transversely and longitudinally, and the intersecting corners of any two protruding semi-cylinders or semi-cylinders-like are connected by an arc surface and are enclosed into a plurality of quadrilateral units which are arranged in a matrix. The anti-dazzle pattern structure enables the upper surface to have a large arc reflecting surface with more than 60 percent of area, obviously increases the diffuse reflection effect, has a plurality of different reflecting directions, effectively reduces the brightness of reflected light observed by human eyes, and achieves the maximum brightness of 30000cd/m within the range of 0-60 degrees under the sunlight of 100000lux 2 The following is given.
Description
Technical Field
The utility model relates to the technical field of solar cell module cover plate glass, in particular to solar cover plate glass with an anti-dazzle pattern structure.
Background
Solar photovoltaic power generation is an important renewable energy source, and is slowly penetrated into various living scenes, and a large number of airports, stadiums, office buildings and the like are provided with solar photovoltaic modules at present. In some special installation sites, such as airports and large urban building sites, the control of the surface reflection brightness of the photovoltaic modules is very strict, and the solar modules adopted are required to achieve enough anti-dazzling effect. For example, some European customers currently require that under 100000lux of outdoor sunlight, the measured maximum reflective brightness value must be less than or equal to 30000cd/m within the observation range of 0-60 degrees of observation angle 2 。
Solar module cover glass, also known as solar cover glass, has a structure comprising a surface with smooth planar surfaces and a surface with embossed layers. When the solar cell module is packaged, the surface with the smooth plane faces the incident side of sunlight, the surface with the embossing layer faces one side of the solar cell, and the solar cell is sealed and bonded through the EVA layer. In the past, researchers have mostly studied in a direction of reducing reflected light incident on a cover glass of a solar cell module more effectively to improve light transmittance of a solar glass cover. For example, chinese patent publication No. CN201868438U discloses a solar cell module cover glass, in which the glass substrate has a first surface and a second surface, the first surface is provided with a pattern structure having a hemispherical unit protrusion and a hemispherical unit recess, and the second surface is a textured structure; the pattern structure is formed by arranging hemispherical unit bulges and hemispherical unit depressions in a transverse and longitudinal continuous mode or at intervals, so that reflection loss during sunlight incidence can be reduced, effective convergence during sunlight transmission is ensured, dust is not easy to accumulate, and cleaning is easy.
Therefore, the design of the pattern structure on the upper surface of the solar glass in the prior art still has a great number of purposes for improving the transmittance so as to increase the power generation efficiency of the solar cell module, but does not consider the high requirement on the anti-dazzle effect in specific application occasions; on the other hand, the solar energy cover plate glass is used as embossing ultrawhite glass with irregular suede on the surface, the suede structure has small concave-convex size (roughness Ra < 2um, rz < 25 um) and small reflective cambered surface, the cambered surface degree is close to a plane (the horizontal included angle between the highest point and the lowest point is 178 DEG), although the overall reflectivity is about 6% after the anti-reflection coating is added, the maximum reflective brightness value of the solar energy cover plate glass in the observation angle range of 0 DEG-60 DEG is as high as 80000cd/m under the outdoor sunlight 1000000lux irradiation condition 2 ～110000cd/m 2 The anti-dazzle requirements of the surface reflection brightness of the photovoltaic module in some building places such as airports, large urban areas and the like cannot be met.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide solar cover plate glass with an anti-dazzle pattern structure, wherein the surface of the solar cover plate glass is provided with a grid type concave-convex pattern structure, and the surface of the solar cover plate glass is provided with a large arc reflecting surface with more than 60% of area, so that the diffuse reflection effect is improved, and the solar cover plate glass has a plurality of different reflecting directions, so that the brightness of reflected light observed by human eyes can be effectively reduced.
The solar cover plate glass with the anti-dazzle pattern structure comprises a glass substrate, wherein the upper surface of the glass substrate faces to one incident side of sunlight, the lower surface of the glass substrate faces to one side of a solar cell, the anti-dazzle pattern structure is arranged on the upper surface, the anti-dazzle pattern structure is a grid concave-convex pattern structure formed by a plurality of convex semi-cylinders or semi-cylinders which are regularly arranged at a certain interval and are intersected transversely and longitudinally, the intersecting corners of any two convex semi-cylinders or semi-cylinders are connected by an arc surface, a downward concave quadrilateral unit is formed by the joint of two adjacent transverse semi-cylinders or semi-cylinders and two adjacent longitudinal semi-cylinders or semi-cylinders, and all quadrilateral units are arranged in a matrix.
In the technical scheme, the diameter of the semi-cylinder or the semi-cylinder-like is set to be 0.1-1 mm.
In the above technical solution, in the quadrilateral unit, the length and the width of the quadrilateral are both set to 0.05-0.8 mm, and the length and the width of the quadrilateral are both smaller than or equal to the diameter of the semi-cylinder or semi-cylinder-like.
In the technical scheme, the radius of the cambered surface at the intersecting corner is set to be 0.01-0.5 mm.
In the above technical scheme, the lower surface is provided with the undercut decorative pattern structure, undercut decorative pattern structure is by a plurality of recessed unit that is the regular arrangement, and the transversal square or hexagonal shape of personally submitting of every recessed unit.
In the above technical scheme, the height of the concave units is set to be 0.03-0.30 mm, the distance between adjacent concave units is set to be 0.25-2.0 mm, and the distance between adjacent concave units is set to be 0.10-0.50 mm.
In the technical scheme, the thickness of the glass matrix is 1.6-5.0 mm.
The utility model has the beneficial effects that:
the utility model relates to solar cover plate glass with an anti-dazzle pattern structure, which comprises a glass substrate, wherein the upper surface of the glass substrate faces to the incident side of sunlight, the lower surface of the glass substrate faces to one side of a solar cell, the upper surface of the glass substrate is provided with the anti-dazzle pattern structure, the anti-dazzle pattern structure is a grid concave-convex pattern structure formed by a plurality of convex semi-cylinders or semi-cylinders which are regularly arranged at a certain interval and are intersected transversely and longitudinally, the intersecting corners of any two convex semi-cylinders or semi-cylinders are connected by cambered surfaces, and a downward concave quadrilateral unit is formed by surrounding two adjacent transverse semi-cylinders or semi-cylinders and two adjacent longitudinal semi-cylinders or semi-cylinders, and all quadrilateral units are arranged in a matrix. Adopts the anti-theft deviceThe glare pattern structure ensures that the upper surface of the glass substrate has a large arc reflecting surface with more than 60 percent of area, obviously increases the diffuse reflection effect, has a plurality of different reflecting directions, can effectively reduce the brightness of reflected light observed by human eyes, can improve the anti-dazzle effect by more than 60 percent compared with the pattern structure in the prior art, and realizes that the maximum reflection brightness in the observation angle range of 0-60 degrees reaches 30000cd/m under the outdoor sunlight irradiation condition of 100000lux 2 The anti-dazzle requirements of the surface reflection brightness of the photovoltaic module in some building places such as airports, large urban areas and the like are met.
Drawings
The utility model will be further described with reference to the accompanying drawings, in which embodiments do not constitute any limitation of the utility model, and other drawings can be obtained by one of ordinary skill in the art without inventive effort from the following drawings.
Fig. 1 is a schematic perspective view of a solar cover glass with an anti-glare pattern structure according to the present utility model.
Fig. 2 is a schematic view of the structure of the upper surface of the solar cover glass with the anti-glare pattern structure.
Fig. 3 is a cross-sectional view at A-A in fig. 2.
Reference numerals:
a glass matrix 10, a half cylinder or a half cylinder-like 101;
quadrilateral 20, cambered surface 201.
Detailed Description
The utility model will be further described with reference to the following examples.
The solar cover glass with anti-glare pattern structure of the embodiment, as shown in fig. 1, 2 and 3, comprises a glass substrate 10, wherein the glass substrate 10 has a thickness of 1.6-5.0 mm, the upper surface of the glass substrate 10 faces the incident side of sunlight, the lower surface of the glass substrate 10 faces one side of the solar cell, the upper surface is provided with an anti-glare pattern structure, the anti-glare pattern structure is formed by a plurality of protruding semi-cylinders or semi-cylinders-like 101 (seeFig. 3), the intersecting corners of any two convex half cylinders or half cylinders 101 are connected by an arc surface 201, and two adjacent transverse half cylinders or half cylinders 101 and two adjacent longitudinal half cylinders or half cylinders 101 together enclose a downward concave quadrilateral 20 unit, and all quadrilateral 20 units are arranged in a matrix. By adopting the anti-dazzle pattern structure, the upper surface of the glass substrate 10 is provided with a large arc reflecting surface, the diffuse reflection effect is obviously improved, and the glass substrate has a plurality of different reflecting directions, so that the brightness of reflection light observed by human eyes can be effectively reduced, compared with the pattern structure in the prior art, the anti-dazzle pattern structure can improve the anti-dazzle effect by more than 60 percent, and the maximum reflection brightness in the observation angle range of 0-60 degrees reaches 30000cd/m under the outdoor sunlight irradiation condition of 100000lux 2 The anti-dazzle requirements of the surface reflection brightness of the photovoltaic module in some building places such as airports, large urban areas and the like are met.
Specifically, the diameter of the semi-cylinder or semi-cylinder-like 101 is D,0.1 mm.ltoreq.D.ltoreq.1 mm, and as a preferred embodiment, 0.3 mm.ltoreq.D.ltoreq.0.8 mm.
Further, in each unit of the quadrangle 20, the quadrangle 20 has a length L and a width W, l=w.ltoreq.0.05 mm.ltoreq.0.8 mm, and l.ltoreq.d. As a preferred embodiment, 0.25 mm.ltoreq.L=W.ltoreq.0.6 mm.
Further, the intersecting corners of any two convex semi-cylinders or semi-cylinder-like 101 are connected by an arc surface 201, and the radius of the arc surface 201 at the intersecting corner is R, wherein R is more than or equal to 0.01mm and less than or equal to 0.5mm. As a preferred embodiment, 0.08 mm.ltoreq.R.ltoreq.0.35 mm.
By accurately designing the diameter of the semi-cylinder or semi-cylinder-like 101, the radius of the cambered surface 201 at the corner and the specific size of the quadrilateral 20 unit, the upper surface of the glass substrate 10 is provided with a large arc reflecting surface with more than 60 percent of area, the diffuse reflection effect is obviously increased, the reflective brightness observed by human eyes can be effectively reduced by a plurality of different reflecting directions, the anti-dazzle effect of more than 60 percent is improved, and the maximum reflective brightness in the observation angle range of 0-60 degrees under the outdoor sunlight irradiation condition of 100000lux is realizedThe degree reaches 30000cd/m 2 The following is given.
In this embodiment, the lower surface of the glass substrate 10 is provided with a pattern structure that is concave downward, and the pattern structure that is concave downward is composed of a plurality of concave units that are regularly arranged, and the cross section of each concave unit is square or hexagonal. The bottom and top shapes of the glass substrate 10 are planar.
Specifically, the height of the concave units is set to be 0.03-0.30 mm, the distance between adjacent concave units is set to be 0.25-2.0 mm, and the distance between adjacent concave units is set to be 0.10-0.50 mm.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.
Claims (5)
1. Solar energy apron glass with anti-dazzle decorative pattern structure, including the glass base member, the upper surface of glass base member is towards the incident side of sunlight, the lower surface of glass base member is towards one side of solar wafer, its characterized in that: the upper surface is provided with an anti-dazzle pattern structure, the anti-dazzle pattern structure is a grid type concave-convex pattern structure formed by a plurality of protruding semi-cylinders or semi-cylinders which are regularly arranged at a certain interval and are intersected transversely and longitudinally, the intersecting corners of any two protruding semi-cylinders or semi-cylinders are connected by cambered surfaces, a downward concave quadrilateral unit is formed by surrounding two adjacent transverse semi-cylinders or semi-cylinders and two adjacent longitudinal semi-cylinders or semi-cylinders, and all quadrilateral units are arranged in a matrix;
the lower surface of the glass substrate is provided with a downward concave pattern structure, the downward concave pattern structure is composed of a plurality of concave units which are regularly arranged, and the cross section of each concave unit is square or hexagonal;
the thickness of the glass matrix is 1.6-5.0 mm.
2. The solar cover glass with anti-glare pattern structure according to claim 1, wherein: the diameter of the semi-cylinder or semi-cylinder-like is set to be 0.1-1 mm.
3. The solar cover glass with anti-glare pattern structure according to claim 2, wherein: in the quadrilateral unit, the length and the width of the quadrilateral are set to be 0.05-0.8 mm, and the length and the width of the quadrilateral are smaller than or equal to the diameter of a half cylinder or a quasi-half cylinder.
4. A solar cover glass with anti-glare pattern structure according to claim 3, wherein: the radius of the cambered surface at the intersecting corner is set to be 0.01-0.5 mm.
5. The solar cover glass with anti-glare pattern structure according to claim 1, wherein: the height of each concave unit is set to be 0.03-0.30 mm, the center-to-center distance of each adjacent concave unit is set to be 0.25-2.0 mm, and the interval distance of each adjacent concave unit is set to be 0.10-0.50 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910670608.8A CN110444623B (en) | 2019-07-24 | 2019-07-24 | Solar cover plate glass with anti-dazzle pattern structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910670608.8A CN110444623B (en) | 2019-07-24 | 2019-07-24 | Solar cover plate glass with anti-dazzle pattern structure |
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| Publication Number | Publication Date |
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| CN110444623A CN110444623A (en) | 2019-11-12 |
| CN110444623B true CN110444623B (en) | 2024-03-08 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112768541A (en) * | 2020-12-31 | 2021-05-07 | 彩虹集团新能源股份有限公司 | Six pyramid anti-dazzle decorative pattern structures of photovoltaic calendering glass |
| CN112736149A (en) * | 2020-12-31 | 2021-04-30 | 彩虹集团新能源股份有限公司 | Photovoltaic calendering glass triangular pyramid anti-dazzle decorative pattern structure |
| CN114220896B (en) * | 2021-11-09 | 2022-09-23 | 深圳市佑明光电有限公司 | Flip chip packaging process and flip chip packaging structure |
| CN116314357A (en) * | 2023-02-16 | 2023-06-23 | 浙江大学 | Micro-nano texture anti-reflection structure for solar cell and preparation method thereof |
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| CN210040224U (en) * | 2019-07-24 | 2020-02-07 | 东莞南玻太阳能玻璃有限公司 | Solar cover plate glass with anti-dazzle pattern structure |
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2019
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| WO2011007710A1 (en) * | 2009-07-15 | 2011-01-20 | Ｋｉｓｃｏ株式会社 | Protective substrate for photovoltaic device and method for producing the same |
| JP2011135011A (en) * | 2009-12-25 | 2011-07-07 | Mitsubishi Electric Corp | Photovoltaic element module and method for manufacturing the same |
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| CN110444623A (en) | 2019-11-12 |
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